function cli() {
    var index = document.getElementById('index');

}

function a() {

    document.getElementById('onck').style.cssText = `display:block;height:${document.body.scrollHeight}px;`;
    // document.getElementsByTagName('body')[0].style.cssText = `transform:1s;opactiy:1;z-index: 1000;`


}

function b() {
    document.getElementById('onck').style.cssText = 'display:none';
}

function search() {
    // document.getElementById('search').style.cssText = `box-sizing: border-box; border:2px solid black`;
    console.log(document.body.clientWidth, document.body.scrollHeight)
}